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7-16
Chapter 7 FXYX
Z-axis (ZS)
1) Turn the controller power OFF.
2) Place a sign indicating "Work In Progress" so that other operators do not turn
the controller power ON.
3) Remove the screws (M4, 6 screws) fixing the cover, and pull the cover up-
ward and off.
M4 screw
M4 screw
Fig. 7-9 ZS
4) Wipe off any excessive grease adhered on the ball screw shaft and ball spline
shaft.
5) Apply a thin coat of grease on the screw shaft with a finger.
6) Return the cover to the original position.